1) Suitable for applications that measure the time between individual TTL output signal edges; non-clocked output signals provide for a lower amount of edge jitter

2)Maximum scanning frequency during referencing: 70 kHz

Circular scale

TKN ERP 1000 (full circle)

Measuring standard

OPTODUR graduation on glass

Signal periods*

23 000

30 000

50 000

63 000

Accuracy of graduation2)

±4”

±3”

±1.8”

±1.5” or ±0.9”

Interpolation error2)

±0,06”

±0.04”

±0.025”

±0.02”

Position noise RMS(1 MHz)

0.006”

0.004”

0.003”

0.002”

Reference marks

One

Hub inside diameter

13 mm

32 mm

62 mm

104 mm

Circular scale outside diameter

57 mm

75 mm

109 mm

151 mm

Mechanically permissible speed

≤ 2600 rpm

≤ 2000 rpm

≤ 1200 rpm

≤ 950 rpm

Moment of inertia

1.6 x 10-5 kgm2

5.7 x 10-5 kgm2

3.1 x 10-4 kgm2

1.1 x 10-3 kgm2

Protection EN 60529

Complete encoder in mounted condition: IP00

Mass

≈ 57 g

≈ 92 g

≈ 185 g

≈ 289 g

Circular scale

TKN ERP 1002 (segment)

Measuring standard

OPTODUR graduation on glass

Signal periods/360°*

23 000

30 000

50 000

63 000

Reference marks

One

Measuring range

10°/23°/36°

8°/16°/31°

5°/11°/21°

4°/8°/15°

Protection EN 60529

Complete encoder in mounted condition: IP00

Mass

≈ 0.6 g/1 g/1.7 g

* Please select when ordering

1) The position error within one signal period and the accuracy of the graduation together yield the encoder-specific error; for information on additional errors as a result of mounting and bearing of the measured shaft, see Measuring accuracy in the brochure Modular Angle Encoders with Optical Scanning